Sets Flashcards
1
Q
What is a set
A
a set is a collection of things, objects or symbols that are well defined.
2
Q
what is an element
A
any object in a set
3
Q
can an element be listed more than once in a set
A
no
4
Q
Sets are named with…
A
capital letters
5
Q
the elements are all listed in…
A
curly brackets {}
6
Q
what separates the elements
A
commas
7
Q
{}
A
set=a collection of elements
8
Q
U
A
universal set=set of all possible values
9
Q
n
A
Intersection (and) = objects that belong in two sets
10
Q
u (or)
A
objects that belong in one set or the other
11
Q
c
A
Subset=has some or all of another set
12
Q
=
A
equal=two sets are equal if they contain exactly the same elements
13
Q
’
A
compliment=all elements that do not belong in a set
14
Q
E
A
element=something that belongs to a set
15
Q
E/ (Line goes through)
A
not an element=an element that does not belong to a set
